Buick RIVIERA 1993 Manual page 276

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Scheduled Maintenance Services Schedule I
Follow Schedule I if your car is MAINLY driven under one or more of the following conditions:
0
When most trips are less than 4 miles (6 kilometers).
0
When most trips are less than 10 miles (16 kilometers) and outside temperatures remain below fieezing.
0
When most trips include extended idling and/or frequent low-speed operation
as
in stop-and-go traffic.
0
Towing a trailer.*?
0
When operating in dusty areas.
Schedule I should also be followed if the car is used for delivery service, police, taxi or other commercial applications.
TO BE SERVICED
(See Explanation of
Scheduled Maintenance
Services Following
Schedules I and
n)
Item No.
1. Engine Oil
&
Oil Filter
Change*
2. Chassis Lubrication
3. Throttle Body Mounting
Bolt Torque*
4. Tire
&
Wheel Inspection
&
Rotation
5. Engine Accessory Drive
Belt(s) Inspection*
6. Cooling System Service*
WHEN TO PERFORM
Miles (kilometers) or
Months, Whichever
MILES (000)
Occurs First
k
Every
3
000 mi. (5000
km)
or 3 months.
,
I
Every other oil change
At 6 000
mi.
(10 000 km)
only
I
At 6 000 mi.
(10 000
km) and
then every 15 000 mi. (25 000
km) or
as
necessary
I
Every 30 000
mi.
(50
000
km) or 24 months.
KILOMETERS
(000)
30 35
0
0
0
0
.
.
45
50 55
0
0
0
0
0
65 70
0
0
0
274

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